trying to get the value of a textbox.text before a post back

ASP.NET 2.0. VB.Net 

I am trying to get the value of this textbox before postback

<asp:TextBox ID="Notes" runat="server" 
TextMode="MultiLine" Rows="6" Columns="90"></asp:TextBox>
Once I get the value I would like to update a DataSet before postback
 'Update Email Message
        Dim UpdateEmail3MessageAdapter As New Email_Temp3TableAdapters.Email_Temp3TableAdapter
        Dim UpdateEmail3Message As Email_Temp3.Email_Temp3DataTable = UpdateEmail3MessageAdapter.GetDataEmail_Temp3
        For Each UpdateEmail3MessageRow As Email_Temp3.Email_Temp3Row In UpdateEmail3Message
            If UpdateEmail3MessageRow.UserName.ToUpper = Advsecu.GetCurrentUserID().ToUpper Then
                UpdateEmail3MessageRow.EmailMessage = Notes.Text
                Exit For ' Exit For Loop
            End If
The above UPDATE does not work b\c there is no value for Notes.Text.  And that is my problem.  
Thanks, MichaelOSS
3/3/2008 7:23:32 PM 8807 articles. 0 followers. Follow

4 Replies

Similar Articles

[PageSpeed] 49

You could use the TextBox's clientside OnChange event to execute a javascript xmlhttprequest, which can cause some server side code to be executed to do this.  You would have to pass in the clientside value of Notes, because it will not be available to the server until the page is posted back. 


Regards Mike
My site
3/4/2008 7:35:17 AM

What is the event you write that code in ?

3/4/2008 1:45:42 PM

It will be called by the clientside onclick event.  You can set this up from ASP.NET by using the OnClientClick attribute, or Attributes.Add()


Regards Mike
My site
3/4/2008 8:31:31 PM

Used auto postback for validation, the "OnTextChanged" event and I set "AutoPostBack=true" for the textbox.


<asp:TextBox id="x_ResourceURL" TextMode="MultiLine" Rows="2" Columns="70" AutoPostBack="True" OnTextChanged="GetURL" CssClass="aspnetmaker" runat="server" />
<asp:HyperLink ID="Resource_Link_Test" CssClass="aspnetmaker" runat="server" Text="Test Resource Link" ImageUrl="images/Web_Server_16.png" Target="_blank" />
<asp:Label ID="Resource_Link_Label" runat="server">Test Resource Link</asp:Label>
<asp:RequiredFieldValidator ID="vx_RESOURCEURL" CssClass="aspnetmaker" runat="server" ControlToValidate="x_RESOURCEURL" ErrorMessage="Please enter required field - Resource Link" ForeColor="Red" Display="None" Text="*" />
5/9/2008 10:27:21 PM

Similar Artilces:

tbx.Text Gives Incorrect Result When Trying to Get Value of Populated Textbox
Hi All, here is my problem: I have a page called update-info.aspx. In the page there is text-box tbxName, whose value is populated from a database. When the user changes (updates) his name and then clicks the Update My Info button, the changed value is not inserted into the database, but instead the origional value (that was already in db, and was used to populate) gets inserted. But if you hardcode the value into update query then value gets updated i.e. "update UserInfo set name='" + tbxName.Text + "';"; // updates with the same value again but when ...

Why the value of textbox get preserved after post back even if viewstate property is false?
Hi All,         I have simple aspx page  whch contains one textbox and one button.Enable viewstate property of textbox is false .Both textbox and buttons are server controls.When I view the page in browser and add some string in textbox and after clicking on button it get post back and text box shows me a same value even if enable view state property of that text box is false. What is the reason behind it?  Idealy it should not preserve the value as enable view state is false.SuyogI am just using my free time,but if it helps you ...

length or trim ? how can i get textbox.text as text that publichouse to textbox.text as text that public ?
hello friends length or trim ? how can i get textbox.text as text that publichouse to textbox.text as text that public ? second example is ..... textbox1.text is greenhouse.. i want to get green from textbox.text cheer Mark as me if my question or my answer can be helpful for you :) Hi,you can always perform a Trim to a retrieved string to delete the leading and trailing space characters. For your second example where you want to gt a part of the retrieved string you can use the SubString method of the String class.Grz, Kris. Read my blog. Handy Firefox plugins for web developers.Workar...

Drop down list text value not posting back with correct text?
Hello:This may sound confusing, but I have dropdownlist and databinding it, and have set the DataTextField and DataValueField correctly, but on the page itself when I choose the text from the dropdown it acts wacky on some of the values and chooses another is some code:aspx page<asp:dropDownList ID="outside_assoc_cities" runat="server" AutoPostBack="True" Enabled="False" DataTextField="city" DataValueField="mls_id" Visible="False"></asp:dropDownList>codebehindProtected Sub recip_form_type_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles...

State & Country validation. Problems getting back correct state.SelectedItem.Text
I am trying to validate a web form that accepts a users address. Among other fields there is one DropDownList for State/Province:<asp:Label ID="lblstate" AssociatedControlID="state" runat="server" Text="State/Province" /><asp:RequiredFieldValidator ID="state_required" runat="server" ControlToValidate="state" ErrorMessage="State/Province is required." Text="*" /> <asp:DropDownList ID="state" runat="server" />And one DropDownList for Country:<asp:Label ID="lblcountry" AssociatedControlID="country" runat="server" Text="Country" /><asp:RequiredFieldValidator ID="count...

Get back the text from a textbox
Textbox is automatically generated once user give a choice at a DropDownList as follows.  My problem is that How can I get back the text in the generated Textbox? e.g. tb1, tb2 as following. Any suggestion? Thanks. 'pMC = Panel Dim i As Integer For i = 0 To CInt(Me.ddlNumOfChoice.SelectedItem.Text) - 1 Dim y As TextBox y = New TextBox y.ID = "tb" + i.ToString pMC.Controls.Add(y) Next  Hi, if you add dynamic controls you need to add them every time afterwards on each postback. Prefer...

problem with get value from textbox after get it value in load page
hi every one  i have problem with my web site when i get textbox value in load page   and Changed textbox the page do not take last value .   it take value in load page   this is code:Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)   TextBox1.Text = "aa" End SubProtected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) MsgBox(TextBox1.Text) End Sub   when i press button message write "aa" while i changed the textbox   please if enyone knowen help me &nbs...

How to get textbox.text value in a datalist ?
Hi, I have a databound textbox in a datalist itemTemplate, and an "update" button that triggers the update command. My problem is that, when I click the update button, it does not get the text value in the textbox. (I wanted to insert my code here but I don't know how ; if anyone knows ...) Any hint as to why this is and how I can solve the problem ? Thanks a lot JohannWebsite - Weblog Hi, there is two approaches depending on your current code, assuming you have the update button also in the ItemTemplate (on the same row). Are you handling the update button click with DataList'...

Trying to get the value of textbox in datagrid
I have a simple datagrid that I populate with a date, checkbox and a textbox.  The rest of information is in lables above this.  the datagrid can have multiple dates along with the checkbox and textbox and its a simple attendance form so they check a checkbox and fill in mileage if person was present for the day.  Now I need to get those values and store them back into the database based on the personnel and the date.  I got help getting the checkbox working using some javascript but cant get the textbox working.  the following is my javascript and datagrid code.&nbs...

Multi text Get value from textbox
Hi,I dont know how i will explain to you my problem.ok I have one textbox and this textbox getting value from database like Textbox1.Text="(01),(02),(24),(15),(54)" like this kind of value and each value have something how can i read one by one these value and assign to 5 different textboxs like below example txtValue1.Text=(01)txtValue2.Text=(02)txtValue3.Text=(24)txtValue4.Text=(15)txtValue5.Text=(54) Regards,  String yourDbValue = "(01),(02),(24),(15),(54)"; String[] seperatedValues =  yourDbValue.Split(','); txtValue1.Text=seperatedValu...

Trying to get Button to add Text in TextBox
Hey all. I'm trying to place text (HTML codes) in a text box based off of a clicked button without a refresh of the page. Example: 3 Buttons for Bold, Italic, Underline and a TextBox. When you click on a button, it will enter either <b> <i> or <u> in the textbox. I have acheved this part but it appears a page refresh has occured everytime you click a button. To make matters worse, the text box is at the bottom of the webpage, and when the refresh occurs you're taken back to the top of the page. You must scroll down to get back to the TextBox you're working with. Is thi...

get textbox text value from gridview in editmode
I am using gridview. In the edititemplate section I have textBoxes for the fields. (I am using TemplateField)  i am trying to perform an update. In this method: protected void TimeTable_RowUpdating(object sender, GridViewUpdateEventArgs e)   when i try to access a textBox like this:   string h9 = ((TextBox)TimeTable.Rows[e.RowIndex].Cells[1].Text.Controls[0]).Text;Or: string h9 = ((TextBox)TimeTable.Rows[e.RowIndex].Cells[1].Text.Controls[1]).Text;   It throws an exception: "Specified argument was out of the range of valid values.Parameter name: index&...

How to get TextBox text value from a javascript variable ?
How can I get text value from a javascript variable ?Example:Javascript function: var text="Hello";function GetText() { return text;} Here I need to get a text value from a javascript function.Code like this:  <asp:TextBox ID="txtMyText" runat="server" text="GetText()" />How to do it?  Try this: <form id="Form1" method="post" runat="server"> <asp:TextBox id="txtMyText" runat="server"></asp:TextBox></form <script type="text/javascript&qu...

How to get value from dynamic control on Post-back
Hi All, This is my first post. The problem is about dynamic control. 1. In Page Load, I auto generated a datagrid.  Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load         Dim lmws As New LIMSWSV10.LIMSService         Dim ds As New DataSet         If Not IsPostBack Then             ds = lmws.GetResultValueForShippingJob(Request.QueryString("ShippingJobID")) ...

Web resources about - trying to get the value of a textbox.text before a post back -

Aqua (user interface) - Wikipedia, the free encyclopedia
Aqua is the GUI and primary visual theme of Apple Inc. 's OS X operating system . It is based around the theme of water, as its name suggests, ...

Wikipedia:Sockpuppet investigations - Wikipedia, the free encyclopedia
WP:RFCU redirects here. You may be looking for Wikipedia:Requests for comment/User conduct ( WP:RFC/U ), CheckUser policy ( Wikipedia:CheckUser ...

Help - is a social service . Users can post short(140 character) status messages which are broadcast totheir friends and colleagues on the ...

City of Whitehorse, YT : Contact
Employment - Bylaws - Document Library - FAQ - Contact Us Search Query Textbox Home Home About Whitehorse Notify Me Contact Us Employee Links ... Help
Help for uploading pictures Noun explanation Group pictures: a basic unit which stands for a piece of news photo in system; include: information ...

Metamorphose: All-In-One File/Folder Renamer For Windows, Mac & Linux
Previously, we’ve reviewed many batch file-renaming applications like ReNamer (read review), NameChanger (read review), File Grinder (read review) ...

How to build a Twitter extension for Chrome
Ars takes a close look at the Chrome Web browser's new extension system. In …

ASUSTeK Computer Inc. -Support- RSS
... RSS Service, please follow the instructions below. STEP 1. Select the product to subscribe. STEP 2. The RSS link will be shown on the Textbox ...

authonomy writers and readers - Daniel Escurel Occeno's profile - authonomy writing community
... of the Point Guard”. It is entered in writing contest.In the TEXTNOVEL website simply type in “Lee Chon” in the textbox search ...

Baseball Prospectus
Forgot Your Password? Enter your username in the textbox below. Username: If you don't remember your username, please contact Customer Service ...

Resources last updated: 1/21/2016 9:54:42 AM